<div id="left-sidebar">
    <div>
        <?php if ( is_active_sidebar( 'Primary' ) ) : ?>
    	<div id="sidebar-primary">
            <?php include ('sidebar-cat.php'); ?>
    		<?php dynamic_sidebar( 'Primary' ); ?>
    	</div>
    </div>
    <?php endif; ?>
    <div id="left-sidebar-button"><p>Danh mục</p></div>
</div>
<script type="text/javascript">
    $(document).ready(function() {
        //show / hide feedback form function
        $('#left-sidebar-button').toggle(function() {
            $('#left-sidebar').animate({left:'0px'},'slow');
        },
        function() {
            $('#left-sidebar').animate({left:'-=353px'},'fast');
        });
    });
</script>